Microprocessor parking meter internally held in a car

Details Microprocessor parking meter internally held in a car Microprocessor parking meter internally held in a car

1988-04-20

1989-07-11

Smith, Jerry

Boots, shoes, and leggings

3409322, 368 90, G08G 114, G04F 300

Patent

active

048477761

ABSTRACT:
A microprocessor parking meter includes: a casing; a plurality of control keys formed on the casing for selecting several parking areas, for starting a timing operation or for stopping the timing operation; a display of multiple digits formed on the casing for showing a selected parking area, a number of parking units and a real clock time, a microprocessor operatively scanning the display and the control keys for showing or sequentially degrading the number of parking units each unit corresponding to a time interval with respect to a selected parking areas among the plural different parking areas during a lapse of parking time, forming a compact unit held in a car ready for outside inspection or for convenient parking service by a owner of the meter.

REFERENCES:
patent: 3959632 (1976-05-01), Trehn et al.
patent: 4310890 (1982-01-01), Trehn et al.
patent: 4379334 (1983-04-01), Feagins Jr. et al.
patent: 4460965 (1984-07-01), Trehn et al.
patent: 4717815 (1988-01-01), Tomer

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